WASHINGTON CITY, _April 6, 1852_.
_To the House of Representatives_:
In compliance with the resolution of the House of the 31st ultimo,
I have the honor herewith to transmit a report from the Secretary
of War, accompanied by the original manuscript report of Captain
Thomas J. Crane, dated February 3, 1844, on the best mode of improving
the navigation of the Ohio River at the Falls of Louisville, together
with the original maps accompanying the same.